top of page

What Are Those Sticky Black Marks On Your Carpet?

Updated: Nov 21, 2023

black marks on a carpet

Black marks mysteriously appearing on your carpet can be a source of frustration and confusion.

These unsightly blemishes not only affect the appearance of your carpet but also leave you wondering about their origin and the best methods to remove them.

In this blog, we will explore some common causes of black marks on carpets and provide effective strategies to bid farewell to these mysterious stains.

Table Of Contents

What Could Those Black Marks On Your Carpet Be?

Before diving into the cleaning process, it's crucial to determine the cause of the black marks on your carpet. Understanding the source will help you choose the most appropriate removal method. Here are some common culprits:

  • Shoe Scuffs: Dark marks caused by shoes are often a result of rubber or dirt being transferred onto the carpet fibres.

  • Furniture Stains: Heavy furniture pieces can leave black marks if they are dragged across the carpet without proper protection.

  • Pet Stains: If you have furry friends at home, their paw prints or accidental messes can contribute to black marks on your carpet.

  • Mould or Mildew: In damp environments, mould or mildew growth can cause black or dark stains on carpets.

Gentle Cleaning Techniques

For minor black marks caused by dirt or shoe scuffs, you can try the following cleaning methods:

  • Dampen a clean cloth with warm water and gently blot the affected area. Avoid scrubbing, as it can further embed the dirt.

  • If water alone doesn't suffice, mix a small amount of mild liquid dish soap with water and blot the stain. Rinse with clean water and blot dry.

Removing Furniture Stains

To eliminate black marks caused by furniture, you can try the following techniques:

  • Use a clean, white cloth dampened with isopropyl alcohol or rubbing alcohol. Gently blot the stain until it lifts.

  • For stubborn marks, create a paste by mixing equal parts baking soda and water. Apply the paste to the stain, let it dry, and then vacuum it up.

Tackling Pet Stains

If your furry friend is responsible for the black marks, consider these steps:

  • For fresh stains, blot up any excess liquid using paper towels. Then, apply a pet stain remover according to the product instructions.

  • For dried stains, use a mixture of vinegar and water (1:1 ratio) to dampen a clean cloth and blot the stain. Rinse with water and blot dry.

If you opt for a professional cleaning solution, make sure that your carpet cleaning solution is safe for pets. For this type of stain, we highly recommend the simple solution enzyme cleaner. It has excellent cleaning power and is safe for pets.

Dealing with Black Mould

If you suspect mould or mildew is the cause of the black marks, it's essential to address the underlying issue of excess moisture.

You can try this yourself first before calling in a professional. Allow the carpeted area to dry out, then, use our homemade mould cleaner to kill the mould. Make sure you wear gloves, eye protection and a mask as mould can be a serious health hazard.

This is for a surface level clean tough. If your carpet was drenched then you may have mould deep into the padding. If that's the case, call in a mould remediation expert or replace the carpets. Mould is a serious health hazard.

Steam Cleaning For Removing Sticky Black Spots

If you want to ensure that you can remove those sticky black spots, then getting a steam cleaner is the best way to do this.

Using heat, along with some of the cleaning techniques already mentioned will make short work of those pesky marks and is a guaranteed way to kill mould.

The best home steam cleaner

  1. Karcher SC2 Steam Cleaner

We periodically use this steam cleaner for isolated stain removal jobs and can tell you, it works perfectly. It only takes a few minutes to heat up and does a great job of tackling tough stains such as the sticky black marks found on carpets.

Removing Sticky Black Spots From Your Carpet

This could be a number of things, but the most common culprit is remnants of glue from the older carpet has been left behind and blackened over time.

First Try This:

  • Scrape as much residue off as possible with a kitchen knife or something similar

  • Either use a adhesive remover safe for carpets or an enzyme cleaner to break down the stained area

  • Gently scrub the solution of choice into the stain, loosening its properties

  • Use a clean cloth to blot away. Or apply baking soda and allow to dry, then grab your vacuum cleaner and go over the area with a good amount of force

If that doesn't work, then it is probably black mould, this can be a dangerous substance to take care when cleaning it with the steps above, and wear the right PPE.


Black marks on your carpet may seem like an enigma, but with the right approach, they can be removed.

Identify the source, take preventive measures, and implement gentle cleaning techniques tailored to the specific cause of the marks.

Remember to act promptly, as timely intervention can increase the chances of successful stain removal.

By following these tips, you can restore the pristine beauty of your carpet and enjoy a clean and inviting living space once again.

3,561 views0 comments


bottom of page